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The source code/* * Copyright 2001-2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package tadm; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.util.Enumeration; import java.util.Hashtable; import java.util.Properties; import java.util.Vector; import javax.servlet.jsp.JspException; import javax.servlet.jsp.tagext.TagSupport; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.Project; import org.apache.tools.ant.ProjectHelper; /** * This tag will run ant tasks * */ public class AntTag extends TagSupport { public AntTag() {} public int doStartTag() throws JspException { try { args.clear(); targets.removeAllElements(); pageContext.setAttribute("antProperties", args); } catch (Exception ex ) { ex.printStackTrace(); } return EVAL_BODY_INCLUDE; } public int doEndTag() throws JspException { runTest(); return EVAL_PAGE; } // -------------------- child tag support -------------------- Properties args=new Properties(); Vector targets=new Vector(); public void setProperty( String name, String value ) { System.out.println("Adding property " + name + "=" + value ); args.put(name, value ); } public String getProperty( String name ) { System.out.println("Getting property " + name ); return args.getProperty(name ); } public void addTarget( String n ) { System.out.println("Adding target " + n ); targets.addElement( n ); } //-------------------- Properties -------------------- /** Set the name of the test.xml, relative to the base dir. * For example, /WEB-INF/test-tomcat.xml */ public void setTestFile( String s ) { args.put("ant.file", s); } /** Set the target - a subset of tests to be run */ public void setTarget( String s ) { addTarget(s); } public void setDebug( String s ) { args.put( "debug", s); } // -------------------- Implementation methods -------------------- private void runTest() throws JspException { PrintWriter out=null; try { out=pageContext.getResponse().getWriter(); pageContext.getOut().flush(); out.flush(); // we need a writer for ant Project project=new Project(); AntServletLogger log=new AntServletLogger(); log.setWriter( out ); project.addBuildListener( log ); project.init(); Enumeration argsE=args.propertyNames(); while( argsE.hasMoreElements() ) { String k=(String)argsE.nextElement(); String v=args.getProperty( k ); if( k!=null && v!= null ) project.setUserProperty( k, v ); } String antFileN=args.getProperty("ant.file"); if( antFileN==null ) throw new JspException( "ant.file not specified"); File antF=new File(antFileN); ProjectHelper.configureProject( project, antF ); // pre-execution properties Hashtable antProperties=project.getProperties(); argsE=antProperties.keys(); while( argsE.hasMoreElements() ) { String k=(String)argsE.nextElement(); String v=(String)antProperties.get( k ); if( k!=null && v!= null ) args.put( k, v ); // includes "revision" } if( targets.size()==0 ) { //targets.addElement("client"); } project.executeTargets( targets ); // post-execution properties antProperties=project.getProperties(); argsE=antProperties.keys(); while( argsE.hasMoreElements() ) { String k=(String)argsE.nextElement(); String v=(String)antProperties.get( k ); if( k!=null && v!= null ) args.put( k, v ); } } catch( BuildException ex ) { if( out==null ) out=new PrintWriter(System.out); ex.printStackTrace(out); Throwable ex1=ex.getException(); out.println("Root cause: " ); if( ex1!=null) ex1.printStackTrace(out); out.flush(); throw new JspException( ex.toString() ); } catch( IOException ioex ) { if( out==null ) out=new PrintWriter(System.out); ioex.printStackTrace(out); throw new JspException( ioex.toString() ); } } } |
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